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<?php
// Prevent loading this file directly
defined( 'ABSPATH' ) || exit;

if ( ! class_exists( 'THE7_RWMB_Fieldset_Text_Field' ) )
{
  class THE7_RWMB_Fieldset_Text_Field
  {
    /**
     * Get field HTML
     *
     * @param string $html
     * @param mixed  $meta
     * @param array  $field
     *
     * @return string
     */
    static function html( $html, $meta, $field )
    {
      $out = '';

      if (count($meta)==1 && trim($meta[0])=='') {
        $meta = "";
      }

      $html = array();
      $before = '<fieldset><legend>'.$field['desc'].'</legend>';
      $after   = '</fieldset>';
      
      $tpl = '<label>%s <input type="text" class="the7-mb-fieldset-text" name="%s[%s][%d]" placeholder="%s" value="%s" /></label>';
      
      for($n=0;$n<$field['rows'];$n++) {
        foreach( $field['options'] as $k => $v ) {
          $fid = $field['id'];
          if (is_array($meta) && !empty($meta)) {
            $html[] = sprintf($tpl, $k, $fid, $v, $n, $k, $meta[$v][$n]);
          } else {
            $html[] = sprintf($tpl, $k, $fid, $v, $n, $k, '');
          }
        }
        $html[] = "<br/>\n";
      }

      $out = $before . implode( ' ', $html ) . $after;
      return $out;
    }

    /**
     * Get meta value
     *
     * @param $meta
     * @param $post_id
     * @param $saved
     * @param $field
     *
     * @return array
     */
    static function meta( $meta, $post_id, $saved, $field )
    {
      $meta = get_post_meta( $post_id, $field['id'] );

      if (is_array($meta) && !empty($meta)) {
        $meta = $meta[0];
      }

      return $meta;
    }

    /**
     * Save meta value
     *
     * @param $new
     * @param $old
     * @param $post_id
     * @param $field
     */
    static function save( $new, $old, $post_id, $field )
    {
      update_post_meta($post_id, $field['id'], $new, $old);
    }

  }
}